31. Preface Creator: Havlík, Vladimír Format: bez média and svazek Type: model:article and TEXT Language: Slovak Description: Vladimír Havlík Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
32. Úvodem Creator: Válka, Miroslav Format: bez média and svazek Type: model:article and TEXT Language: Czech Description: Jméno autora Úvodu je uvedeno pouze v obsahu Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
33. Úvodem Format: bez média and svazek Type: model:article and TEXT Language: Czech Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public